根據題目要求完成下列任務，用中文作答。
31.課堂教學設計是以獲得最優化的教學效果為目的，提高課堂教學質量的一項關鍵工作。簡述其五個基本要素，并說明基本程序。
三、教學情境分析題(本大題1小題，30分)
根據題目要求完成下列任務，用中文作答。
32.以下是一位老師在進行詞匯教學時的情景：
Step1復習(revision)
互致問候后，教師將裝有彩色小圖片的信封分發給各小組。
T：Open the envelopes.please.You have something nice in them.What are they?
S：A green ear，a red ball，a blue plane，a yellow cat…
T：What do you like?
S：I like…
Step 2導人(1eading—in)
PPT播放歌曲，師生共同演唱。
T：Let’s sing the song“Who Is Wearing Yellow Today”.
音樂結束后，教師并沒有停下來，而是改編歌詞繼續唱。
T：Who is wearing blue today?blue today?blue today?Who is wearing blue today?
blue today?
Step 3呈現(presentation)
T：Who is wearing blue today?
S：You are wearing blue today.
T：Yes，I’m wearing blue today.I’m wearing a blue sweater now.
學生跟讀：sweater，sweater，blue SWeater
T：I like the blue sweater.If you like it.please say it out loud.
PPT展示粉紅色毛衣圖片
T：Do you like the pink sweater?
S：Yes，I like the pink sweater.
(借助學生穿著的服裝，引出jacket等新詞，展開活動)
T：It is too hot.I’ll take off my sweater.Please take off your iacket.
(伴隨動作，一次教授詞組：take off，put on，hang up和put away)
根據以上所給的教學案例，回答下面問題。
(1)教師在復習、導入及呈現環節創設了不同情境，請分別對其創設方法及作用進行分析。(15分)
(2)評析教師在語言學習活動中的角色。(15分)
四、教學設計題(本大題1小題，40分)
根據提供的信息和語言素材設計教學方案，用英文作答。
33.設計任務：請閱讀下面學生信息和語言素材，設計一節英語語法課的教學方案。教案沒有固定格式。但須包含下列要點：
• teaching objectives
•teaching contents
• key and difficult points
• major .steps and time allocation
• activities and justifications
教學時間：45分鐘
學生概況：某城鎮普通中學九年級(初中三年級)學生，班級人數40人，多數已經達到《義務教育英語課程標準(2011版)》四級水平，學生課堂參與積極性一般。
語言素材：
Girl 1 : Where are you going, Larry?
Boy 1 : To Tom' s party.
Girl 1 : Lucky you !I' d love to go to that party !
Boy l : Yeah, well, I'm a little nervous. I don't know what to wear.
Girl 1 : If I were you, I'd wear a shirt and tie.
Boy 1 : What if everybody else is wearing jeans and T-shirts?
Girl 1 : Oh, you shouldn't worry about what other people are wearing.
Boy 1 : And I don't have a present. What if everyone brings a present?
Girl 1 : If I were you, I'd take a small present--a pen or something. Keep it in your pocket
and if everyone has a present, you can give him yours. If not, you can keep it.
Boy 1 : OK. But what if I don't know anyone?
Girl 1 : If you don' t know anyone, you can talk to Tom. He'll introduce you to people.
Boy 1 : I guess I can do that.
Girl 1 : Look !You' re sure to have fun. But if you' re still nervous, you can leave.
